Home / 14,171,777.01-19,557,693.21-7,978,951.64

Finding the Fourth Proportional to 14,171,777.01, 19,557,693.21 and 7,978,951.64

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Solution

The fourth proportional to 14,171,777.01, 19,557,693.21 and 7,978,951.64 is: 11,011,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,777.01 : 19,557,693.21 = 7,978,951.64 : x
  2. Step 2: Convert to fraction form
    14,171,777.01/19,557,693.21 = 7,978,951.64/x
  3. Step 3: Cross multiply
    14,171,777.01x = 19,557,693.21 × 7,978,951.64
  4. Step 4: Simplify right side
    14,171,777.01x = 156,049,888,214,757.91
  5. Step 5: Solve for x
    x = 156,049,888,214,757.91/14,171,777.01
  6. Step 6: Final answer
    x = 11,011,314.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.